Police have arrested a man in connection with the sexual assault of a 13-year-old girl in Selsey yesterday morning (Wednesday, 29).
Officers said the incident is reported to have happened in an alleyway between Manor Road and Manor Lane around 8.20am.
A 20-year-old man, of no fixed address, handed himself into custody yesterday evening and was arrested on suspicion of attempted rape.
Police said he remains in custody this morning (Thursday, 30).
Officers have increased patrols in the area, and are continuing to appeal for witnesses to the incident.
Anyone with information is asked to report it online here, or call 101, quoting Operation Westhead.